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Finding the Fourth Proportional to 70,954.61, 106,374.20 and 26,556.48

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Solution

The fourth proportional to 70,954.61, 106,374.20 and 26,556.48 is: 39,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.61 : 106,374.20 = 26,556.48 : x
  2. Step 2: Convert to fraction form
    70,954.61/106,374.20 = 26,556.48/x
  3. Step 3: Cross multiply
    70,954.61x = 106,374.20 × 26,556.48
  4. Step 4: Simplify right side
    70,954.61x = 2,824,924,182.03
  5. Step 5: Solve for x
    x = 2,824,924,182.03/70,954.61
  6. Step 6: Final answer
    x = 39,813.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.